I wasn't entirely happy with the previous versions of this song so I ended up 
making a few changes which I believe brings this tab closer to the original song.

Once Upon A December (From Anastasia) 
Intro : Am Waltzy (Capo 2)

Am (x02210@1)        E (022100@1)      A7 (x02020@1)       Dm (xx0231@1)        
Dancing bears painted wings
Dm (xx0231@1)       Am (x02210@1)         Dm (xx0231@1)   EThings (022100@1)I almost remember
Am (x02210@1)    E (022100@1)     A7 (x02020@1)         DmAnd (xx0231@1)a song someone sings
Dm (xx0231@1)  Am (x02210@1)          E (022100@1)   AmOnce (x02210@1)upon a December

Dm (xx0231@1)                           AmSomeone (x02210@1)holds me safe and warm
E (022100@1)                                    AmHorses (x02210@1)prance through a silver storm
Dm (xx0231@1)                      AmFigures (x02210@1)dancing gracefully 
B7 (x21202@1)                        EAcross (022100@1)my memory

Am (x02210@1)E (022100@1)    A7 (x02020@1)     Dm (xx0231@1) 
Far away long a go
Dm (xx0231@1)       Am (x02210@1)       Dm (xx0231@1)EGlowing (022100@1)dim as a ember
Am (x02210@1)            E (022100@1)    A7 (x02020@1)       DmThings (xx0231@1)my heart used to know
Dm (xx0231@1)  Am (x02210@1)          E (022100@1)   AmOnce (x02210@1)upon  a December

Interlude :

Am (x02210@1)E (022100@1)    A7 (x02020@1)     Dm (xx0231@1) 
Dm (xx0231@1)       Am (x02210@1)       Dm (xx0231@1)EAm              E (022100@1)    A7 (x02020@1)       DmDm    Am (x02210@1)          E (022100@1)   Am (x02210@1)Dm (xx0231@1)                           AmSomeone (x02210@1)holds me safe and warm
E (022100@1)                                    AmHorses (x02210@1)prance through a silver storm
Dm (xx0231@1)                      AmFigures (x02210@1)dancing gracefully 
B7 (x21202@1)                        EAcross (022100@1)my memory

Am (x02210@1)E (022100@1)    A7 (x02020@1)     Dm (xx0231@1) 
Far away long a go
Dm (xx0231@1)       Am (x02210@1)       Dm (xx0231@1)EGlowing (022100@1)dim as a ember
Am (x02210@1)            E (022100@1)    A7 (x02020@1)       DmThings (xx0231@1)my heart used to know
Dm (xx0231@1)  Am (x02210@1)          E (022100@1)   AmOnce (x02210@1)upon  a December